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Drilling

Compact drill rig for underground mines

A new compact drill rig for underground mines, ideal for narrow vein mines,

Blasting engineers learning their trade at Colorado School of Mines

Jon Lawson reports on how technological advances in blasting are being taught to the next generation of engineers

Overcoming problems with hole deviation

A quartzite quarry in Virginia wanted to increase its production and had also been experiencing problems with hole deviation. By Steve Minett

 

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Larger steel drills straighter holes

A specialist, drilling contractor in New England has recently switched to Sandvik’s new, larger Sandvik60 drill steel. By Steve Minett

New line of drill bits

These are for severe rotary blasthole applications

Green mining techniques in metal extraction

New research flags up growing importance of green mining techniques in metal extraction

Explosives delivery system launched by major manufacturer of commercial explosives

Creating a step change in productivity via the next generation of explosives delivery system

New Rotary Blasthole Drill for holes up to 200mm

This is designed to be highly transportable

Drills renamed and upgraded

And a new mast adds to range

Redefining the Drill Rig

Could a new design of drill rig provide a revolution in Australian mining?

Starts with a bang

High-energy bulk explosives deliver mining and milling improvements at Australian hard rock mine

At the cutting edge

Jon Lawson provides a ‘bit’ of news from the drilling sector, spanning advances in software and hardware as well as new rigs making their debut

Hard rock mining advances

Rock Straight System is the first commercial continuous mining and hauling system for underground hard rock applications

Borers: raising the game

Turkka Kulmala explains how a raise borer is defying traditional raise drilling methods and helping a goldmine in Finland surpass the demands of a challenging market

Roof supports to extend longwall

Order for 50 Cat longwall roof supports to extend its Narrabri North longwall from 300 metres to 400 metres

Mining hard rock with longwall efficiency

Low-profile hard rock chain conveyor and hard rock hydraulic roof supports complete the system, which delivers simultaneous cutting, loading and hauling

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